Elements Of Graphic Statics, by Clarence W. Hudson and Edward J.Squire; McGraw-Hill Book Company, Incorporated, New York. Dimensions are 4 1/4" width by 7 1/4" Height and 201grams, 98 pages. Copyright was issued in 1923, this work is Public Domain under Rule 1 of the Copyright Statutes of the United States. Etext created by Gerard Arthus.